Washed Microbiota Transplantation for the Treatment of Oncotherapy-Related Intestinal Complications

Summary

Gut microbiota, known as "unrecognized organs", is closely related to the occurrence and development of tumors. Cancer is thought to occur secondary to local chronic inflammation. And some bacteria, such as Helicobacter pylori, also have direct genotoxicity, changing intracellular signaling pathways and thus causing abnormal cell growth. Systemic intestinal dysbiosis may lead to cancer, and fecal microbiota transplantation (FMT) can be a new weapon in anti-cancer treatment.Washed microbiota transplantation (WMT), a new stage of FMT, is based on the automatic microfiltration machine (GenFMTer, Nanjing, China) and the following repeated centrifugation plus suspension with support from specific facilities. The investigators conducted a prospective, one-arm, open-label study on the efficacy and safety of WMT in the treatment of oncotherapy-related complications. This study aimed to exploring the therapeutic potential of WMT in the treatment of oncotherapy-related intestinal complications and improving the quality of life of patients.

Eligibility

Inclusion Criteria:

* 1\. Age ≥18 years old; 2. Diagnosed as malignant tumor; 3. Patients who underwent cancer-related treatment suffering from gastrointestinal symptoms(e.g., abdominal pain, diarrhea, abdominal distension, and difficulty defecating) occurred after standard tumor therapy (such as chemotherapy, radiation, immunotherapy, surgical treatment, etc.); 4. Estimated time of survival ≥ 3 months, and vital signs were stable); 5. Physically qualified and intended to undergo FMT;

Exclusion Criteria:

* 1\. Patients who were pregnant or nursing; 2. Patients who were unable or unwilling to undergo a gastroscopy or colonoscopy; 3. Patients with cardiopulmonary failure; 4. Antibiotics, PPI, probiotics, and other drugs that alter gut microbiota were used in the previous week; 5. history of inflammatory bowel disease and intestinal symptoms unrelated to tumor treatment; 6.Serious uncontrolled diseases and acute infectious diseases；

Conditions2

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